Watch case



FIG. 1 is a front elevation of a watch case showing our new design;

FIG. 2 is a right side elevation thereof;

FIG. 3 is a left side elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a front and right side perspective view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a watch case, as shown and described. 